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If l,m,n are direction cosines of the li...

If l,m,n are direction cosines of the line then `-l,-m,-n` can be: a) only direction ratios of the line b) only direction cosines of the line c) direction cosines and direction ratios of the line d) neither direction cosines nor direction ratios of the line

A

only direction ratios of the line

B

only direction cosines of the line

C

direction cosines and direction ratios of the line

D

neither direction cosines nor direction ratios of the line

Text Solution

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The correct Answer is:
C
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